Checker

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Checker’s API detects disposable emails, suspicious domains, and device fingerprints (coming soon) in <200ms. Block fake sign-ups before they drain your resources, skew your analytics, or exploit freemium models. GDPR-compliant security that scales with your traffic. Checker provides tools to identify and block temporary email domains, helping businesses reduce fraudulent or abusive sign-ups. Our Service may be accessed via API Integration, WordPress Plugin, Bulk Check, and future expansions. Checker is designed to align with the best practices of teams worldwide and is proudly rated 5/5 from 1000+ customers. The service is built to ensure real-time validation of user sign-ups, protecting businesses from fake registrations, botnet attacks, and other security threats. Integration is seamless, with features like the WordPress plugin allowing setup in as little as 10 minutes. Checker operates on AWS infrastructure, ensuring scalability and reliability even on high-traffic days. The service is GDPR-compliant, ensuring data protection and privacy for all users.